Detachable book leaf



C. W. MQCALL DETACHABLE BOOK LEAF I Filed Dec. 15 1920 IN VEN TOR Charles MC ff Call i 4 TTORNEY Patented June 19, 1923. i i v I 1,459,338

UNITD STTS GHARLES W. MCCALL, OF OAKLAND, CALIFORNIA.

DETACI-IABLE BOOK LEAF.

Application filed December 15, 1920. Serial No. 430,910.

To all whom it may concern: The leaf 1 or 2 may also be provided with'a Be it known that 1, CHARLES WV. MoCALL, row of transverse perforations 12 extending a citizen of the United States, residing at inwardly from the outer edge of the leaf and Oakland, in the county of Alameda and a row of perforations 13 extending inwardly State of California, have invented certain from the upper or lower edge of the leaf to new and useful Improvements in Detachthe inner end of the row of perforations 12, 1 able Book Leaves, of which the following is forming a sheet 14 in one corner of the leaf a specification. p and another sheet 15. A hole 16 is punched My invention is a detachable book leaf, in one of the upper corners of the sheet 14 10 particularly useful for magazine advertis and the trademark 17 of the advertiser may 00 ing pages, which may be readily removed be printed around said hole. from the magazine and hung up on a pin The leaves 1 and 2 may be torn from the with other meinoranda for reference. magazine along the perforations 3 and hung Referring to the annexed drawing in up 011a file through the holes 4 and 5. 16 which my invention is illustrated and which The sheets 8 or 9 may be torn from the forms a part of this specification, the figure magazine on the lines of perforations 3 and is an inside view of an open magazine with 7 and hung up through the holes 4 or 10. leaves embodying my invention. The sheet 14 may be torn out of the maga In the drawing 1 and 2 indicate two leaves zine on the lines of perforations 12 and 13 20 of a magazine, advertising matter not shown and hung up through the hole 16. The sheet being printed on the rear side of leaf 1 and 15 may be torn out on the perforations 3, on the front side of leaf 2. Each leaf is pro- 12 and 13 and hung up through the hole 16. vided with a severing line such as a row of Having described my invention, I claim: perforations or printed impressions 3 eX- A book leaf having two holes near the uptending near and parallel to the binding of per margin thereof and provided with a line the magazine. The leaf 1 has a hole 4 of perforations extending transversely inpunched in its upper left or outer corner. wardly from its outer side edge, with a line The leaf 2 has a hole 5 punched in its'upper of perforations extending from another edge left or inner corner. Around each hole 4: to the inner end of said first line, and with 30 and 5 may be printed a colored ring 6 or a line of perforations extending along its the trademark or other distinguishing mark binding whereby when its leaf is severed of the advertiser whose advertisement apalong the line of perforation two sheets will pears on the page. The leaf 1 or 2 may also be formed, each sheet having one of the holes have a row of perforations 7 extending in the upper corner thereof whereby the 35 transversely thereof and dividing the leaf same may be hung on a projection. into two sheets, an upper sheet 8 and a In testimony whereofIaffiX my signature. lower sheet 9; a hole 10 being punched in one of the upper corners of the sheet 9. A CHARLES W. MCOALL. trade mark 11 of the advertiser may be printed around the hole 10. 

